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early-access version 2156

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pineappleEA
2021-10-24 06:39:01 +02:00
parent 238cebb24e
commit f85f34d123
119 changed files with 8931 additions and 610 deletions
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1
src/shader_recompiler/CMakeLists.txt
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@@ -221,6 +221,7 @@ add_library(shader_recompiler STATIC
ir_opt/lower_fp16_to_fp32.cpp
ir_opt/lower_int64_to_int32.cpp
ir_opt/passes.h
ir_opt/rescaling_pass.cpp
ir_opt/ssa_rewrite_pass.cpp
ir_opt/texture_pass.cpp
ir_opt/verification_pass.cpp

2
src/shader_recompiler/backend/bindings.h
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@@ -14,6 +14,8 @@ struct Bindings {
u32 storage_buffer{};
u32 texture{};
u32 image{};
u32 texture_scaling_index{};
u32 image_scaling_index{};
};
} // namespace Shader::Backend

4
src/shader_recompiler/backend/glasm/emit_context.cpp
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@@ -6,6 +6,7 @@
#include "shader_recompiler/backend/bindings.h"
#include "shader_recompiler/backend/glasm/emit_context.h"
#include "shader_recompiler/backend/glasm/emit_glasm.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/profile.h"
#include "shader_recompiler/runtime_info.h"
@@ -55,7 +56,8 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
}
if (!runtime_info.glasm_use_storage_buffers) {
if (const size_t num = info.storage_buffers_descriptors.size(); num > 0) {
Add("PARAM c[{}]={{program.local[0..{}]}};", num, num - 1);
const size_t index{num + PROGRAM_LOCAL_PARAMETER_STORAGE_BUFFER_BASE};
Add("PARAM c[{}]={{program.local[0..{}]}};", index, index - 1);
}
}
stage = program.stage;

3
src/shader_recompiler/backend/glasm/emit_glasm.cpp
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@@ -448,6 +448,9 @@ std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info, I
header += fmt::format("SHARED_MEMORY {};", program.shared_memory_size);
header += fmt::format("SHARED shared_mem[]={{program.sharedmem}};");
}
if (program.info.uses_rescaling_uniform) {
header += "PARAM scaling[1]={program.local[0..0]};";
}
header += "TEMP ";
for (size_t index = 0; index < ctx.reg_alloc.NumUsedRegisters(); ++index) {
header += fmt::format("R{},", index);

2
src/shader_recompiler/backend/glasm/emit_glasm.h
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@@ -13,6 +13,8 @@
namespace Shader::Backend::GLASM {
constexpr u32 PROGRAM_LOCAL_PARAMETER_STORAGE_BUFFER_BASE = 1;
[[nodiscard]] std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info,
IR::Program& program, Bindings& bindings);

18
src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
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@@ -608,6 +608,24 @@ void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Re
ctx.Add("STOREIM.{} {},{},{},{};", format, image, color, coord, type);
}
void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
ctx.Add("AND.U RC.x,scaling[0].x,{};"
"SNE.S {},RC.x,0;",
1u << index.U32(), ctx.reg_alloc.Define(inst));
}
void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
ctx.Add("AND.U RC.x,scaling[0].y,{};"
"SNE.S {},RC.x,0;",
1u << index.U32(), ctx.reg_alloc.Define(inst));
}
void EmitImageAtomicIAdd32(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
ScalarU32 value) {
ImageAtomic(ctx, inst, index, coord, value, "ADD.U32");

5
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
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@@ -72,6 +72,7 @@ void EmitInvocationId(EmitContext& ctx, IR::Inst& inst);
void EmitSampleId(EmitContext& ctx, IR::Inst& inst);
void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst);
void EmitYDirection(EmitContext& ctx, IR::Inst& inst);
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst);
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, ScalarU32 word_offset);
void EmitWriteLocal(EmitContext& ctx, ScalarU32 word_offset, ScalarU32 value);
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst);
@@ -303,6 +304,8 @@ void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, Register a, Register b);
void EmitISub32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
void EmitISub64(EmitContext& ctx, IR::Inst& inst, Register a, Register b);
void EmitIMul32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, ScalarU32 a, ScalarU32 b);
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value);
void EmitINeg64(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value);
@@ -553,6 +556,8 @@ void EmitImageGradient(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
void EmitImageRead(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord);
void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
Register color);
void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
void EmitBindlessImageAtomicIAdd32(EmitContext&);
void EmitBindlessImageAtomicSMin32(EmitContext&);
void EmitBindlessImageAtomicUMin32(EmitContext&);

8
src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
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@@ -90,6 +90,14 @@ void EmitIMul32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
ctx.Add("MUL.S {}.x,{},{};", inst, a, b);
}
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
ctx.Add("DIV.S {}.x,{},{};", inst, a, b);
}
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, ScalarU32 a, ScalarU32 b) {
ctx.Add("DIV.U {}.x,{},{};", inst, a, b);
}
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value) {
if (value.type != Type::Register && static_cast<s32>(value.imm_u32) < 0) {
ctx.Add("MOV.S {},{};", inst, -static_cast<s32>(value.imm_u32));

4
src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
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@@ -210,6 +210,10 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
ctx.Add("MOV.F {}.x,y_direction[0].w;", inst);
}
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
ctx.Add("MOV.F {}.x,scaling[0].z;", inst);
}
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst) {
ctx.Add("MOV.S {}.x,0;", inst);
}

3
src/shader_recompiler/backend/glsl/emit_context.cpp
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@@ -393,6 +393,9 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
DefineGenericOutput(index, program.invocations);
}
}
if (info.uses_rescaling_uniform) {
header += "layout(location=0) uniform vec4 scaling;";
}
DefineConstantBuffers(bindings);
DefineStorageBuffers(bindings);
SetupImages(bindings);

4
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
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@@ -445,6 +445,10 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
ctx.AddF32("{}=gl_FrontMaterial.ambient.a;", inst);
}
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
ctx.AddF32("{}=scaling.z;", inst);
}
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset) {
ctx.AddU32("{}=lmem[{}];", inst, word_offset);
}

16
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
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@@ -612,6 +612,22 @@ void EmitImageAtomicExchange32(EmitContext& ctx, IR::Inst& inst, const IR::Value
value);
}
void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
const u32 image_index{index.U32()};
ctx.AddU1("{}=(ftou(scaling.x)&{})!=0;", inst, 1u << image_index);
}
void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
const u32 image_index{index.U32()};
ctx.AddU1("{}=(ftou(scaling.y)&{})!=0;", inst, 1u << image_index);
}
void EmitBindlessImageSampleImplicitLod(EmitContext&) {
NotImplemented();
}

5
src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
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@@ -85,6 +85,7 @@ void EmitInvocationId(EmitContext& ctx, IR::Inst& inst);
void EmitSampleId(EmitContext& ctx, IR::Inst& inst);
void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst);
void EmitYDirection(EmitContext& ctx, IR::Inst& inst);
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst);
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset);
void EmitWriteLocal(EmitContext& ctx, std::string_view word_offset, std::string_view value);
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst);
@@ -362,6 +363,8 @@ void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
void EmitISub32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitISub64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
void EmitINeg64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
@@ -627,6 +630,8 @@ void EmitImageRead(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
std::string_view coords);
void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
std::string_view coords, std::string_view color);
void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
void EmitBindlessImageAtomicIAdd32(EmitContext&);
void EmitBindlessImageAtomicSMin32(EmitContext&);
void EmitBindlessImageAtomicUMin32(EmitContext&);

8
src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
View File

@@ -78,6 +78,14 @@ void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
ctx.AddU32("{}=uint({}*{});", inst, a, b);
}
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}=uint(int({})/int({}));", inst, a, b);
}
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}={}/{};", inst, a, b);
}
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value) {
ctx.AddU32("{}=uint(-({}));", inst, value);
}

86
src/shader_recompiler/backend/spirv/emit_context.cpp
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@@ -7,11 +7,14 @@
#include <climits>
#include <string_view>
#include <boost/container/static_vector.hpp>
#include <fmt/format.h>
#include "common/common_types.h"
#include "common/div_ceil.h"
#include "shader_recompiler/backend/spirv/emit_context.h"
#include "shader_recompiler/backend/spirv/emit_spirv.h"
namespace Shader::Backend::SPIRV {
namespace {
@@ -456,8 +459,9 @@ void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_vie
EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_info_,
IR::Program& program, Bindings& bindings)
: Sirit::Module(profile_.supported_spirv), profile{profile_},
runtime_info{runtime_info_}, stage{program.stage} {
: Sirit::Module(profile_.supported_spirv), profile{profile_}, runtime_info{runtime_info_},
stage{program.stage}, texture_rescaling_index{bindings.texture_scaling_index},
image_rescaling_index{bindings.image_scaling_index} {
const bool is_unified{profile.unified_descriptor_binding};
u32& uniform_binding{is_unified ? bindings.unified : bindings.uniform_buffer};
u32& storage_binding{is_unified ? bindings.unified : bindings.storage_buffer};
@@ -474,10 +478,11 @@ EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_inf
DefineStorageBuffers(program.info, storage_binding);
DefineTextureBuffers(program.info, texture_binding);
DefineImageBuffers(program.info, image_binding);
DefineTextures(program.info, texture_binding);
DefineImages(program.info, image_binding);
DefineTextures(program.info, texture_binding, bindings.texture_scaling_index);
DefineImages(program.info, image_binding, bindings.image_scaling_index);
DefineAttributeMemAccess(program.info);
DefineGlobalMemoryFunctions(program.info);
DefineRescalingInput(program.info);
}
EmitContext::~EmitContext() = default;
@@ -920,6 +925,73 @@ void EmitContext::DefineGlobalMemoryFunctions(const Info& info) {
define(&StorageDefinitions::U32x4, storage_types.U32x4, U32[4], sizeof(u32[4]));
}
void EmitContext::DefineRescalingInput(const Info& info) {
if (!info.uses_rescaling_uniform) {
return;
}
if (profile.unified_descriptor_binding) {
DefineRescalingInputPushConstant();
} else {
DefineRescalingInputUniformConstant();
}
}
void EmitContext::DefineRescalingInputPushConstant() {
boost::container::static_vector<Id, 3> members{};
u32 member_index{0};
rescaling_textures_type = TypeArray(U32[1], Const(4u));
Decorate(rescaling_textures_type, spv::Decoration::ArrayStride, 4u);
members.push_back(rescaling_textures_type);
rescaling_textures_member_index = member_index++;
rescaling_images_type = TypeArray(U32[1], Const(NUM_IMAGE_SCALING_WORDS));
Decorate(rescaling_images_type, spv::Decoration::ArrayStride, 4u);
members.push_back(rescaling_images_type);
rescaling_images_member_index = member_index++;
if (stage != Stage::Compute) {
members.push_back(F32[1]);
rescaling_downfactor_member_index = member_index++;
}
const Id push_constant_struct{TypeStruct(std::span(members.data(), members.size()))};
Decorate(push_constant_struct, spv::Decoration::Block);
Name(push_constant_struct, "ResolutionInfo");
MemberDecorate(push_constant_struct, rescaling_textures_member_index, spv::Decoration::Offset,
static_cast<u32>(offsetof(RescalingLayout, rescaling_textures)));
MemberName(push_constant_struct, rescaling_textures_member_index, "rescaling_textures");
MemberDecorate(push_constant_struct, rescaling_images_member_index, spv::Decoration::Offset,
static_cast<u32>(offsetof(RescalingLayout, rescaling_images)));
MemberName(push_constant_struct, rescaling_images_member_index, "rescaling_images");
if (stage != Stage::Compute) {
MemberDecorate(push_constant_struct, rescaling_downfactor_member_index,
spv::Decoration::Offset,
static_cast<u32>(offsetof(RescalingLayout, down_factor)));
MemberName(push_constant_struct, rescaling_downfactor_member_index, "down_factor");
}
const Id pointer_type{TypePointer(spv::StorageClass::PushConstant, push_constant_struct)};
rescaling_push_constants = AddGlobalVariable(pointer_type, spv::StorageClass::PushConstant);
Name(rescaling_push_constants, "rescaling_push_constants");
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(rescaling_push_constants);
}
}
void EmitContext::DefineRescalingInputUniformConstant() {
const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, F32[4])};
rescaling_uniform_constant =
AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant);
Decorate(rescaling_uniform_constant, spv::Decoration::Location, 0u);
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(rescaling_uniform_constant);
}
}
void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
if (info.constant_buffer_descriptors.empty()) {
return;
@@ -1108,7 +1180,7 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
}
}
void EmitContext::DefineTextures(const Info& info, u32& binding) {
void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_index) {
textures.reserve(info.texture_descriptors.size());
for (const TextureDescriptor& desc : info.texture_descriptors) {
const Id image_type{ImageType(*this, desc)};
@@ -1130,13 +1202,14 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
interfaces.push_back(id);
}
++binding;
++scaling_index;
}
if (info.uses_atomic_image_u32) {
image_u32 = TypePointer(spv::StorageClass::Image, U32[1]);
}
}
void EmitContext::DefineImages(const Info& info, u32& binding) {
void EmitContext::DefineImages(const Info& info, u32& binding, u32& scaling_index) {
images.reserve(info.image_descriptors.size());
for (const ImageDescriptor& desc : info.image_descriptors) {
if (desc.count != 1) {
@@ -1157,6 +1230,7 @@ void EmitContext::DefineImages(const Info& info, u32& binding) {
interfaces.push_back(id);
}
++binding;
++scaling_index;
}
}

17
src/shader_recompiler/backend/spirv/emit_context.h
View File

@@ -235,6 +235,16 @@ public:
Id indexed_load_func{};
Id indexed_store_func{};
Id rescaling_uniform_constant{};
Id rescaling_push_constants{};
Id rescaling_textures_type{};
Id rescaling_images_type{};
u32 rescaling_textures_member_index{};
u32 rescaling_images_member_index{};
u32 rescaling_downfactor_member_index{};
u32 texture_rescaling_index{};
u32 image_rescaling_index{};
Id local_memory{};
Id shared_memory_u8{};
@@ -299,10 +309,13 @@ private:
void DefineStorageBuffers(const Info& info, u32& binding);
void DefineTextureBuffers(const Info& info, u32& binding);
void DefineImageBuffers(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding);
void DefineImages(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding, u32& scaling_index);
void DefineImages(const Info& info, u32& binding, u32& scaling_index);
void DefineAttributeMemAccess(const Info& info);
void DefineGlobalMemoryFunctions(const Info& info);
void DefineRescalingInput(const Info& info);
void DefineRescalingInputPushConstant();
void DefineRescalingInputUniformConstant();
void DefineInputs(const IR::Program& program);
void DefineOutputs(const IR::Program& program);

13
src/shader_recompiler/backend/spirv/emit_spirv.h
View File

@@ -16,6 +16,19 @@
namespace Shader::Backend::SPIRV {
constexpr u32 NUM_TEXTURE_SCALING_WORDS = 4;
constexpr u32 NUM_IMAGE_SCALING_WORDS = 2;
constexpr u32 NUM_TEXTURE_AND_IMAGE_SCALING_WORDS =
NUM_TEXTURE_SCALING_WORDS + NUM_IMAGE_SCALING_WORDS;
struct RescalingLayout {
alignas(16) std::array<u32, NUM_TEXTURE_SCALING_WORDS> rescaling_textures;
alignas(16) std::array<u32, NUM_IMAGE_SCALING_WORDS> rescaling_images;
alignas(16) u32 down_factor;
};
constexpr u32 RESCALING_LAYOUT_WORDS_OFFSET = offsetof(RescalingLayout, rescaling_textures);
constexpr u32 RESCALING_LAYOUT_DOWN_FACTOR_OFFSET = offsetof(RescalingLayout, down_factor);
[[nodiscard]] std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info,
IR::Program& program, Bindings& bindings);

12
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View File

@@ -542,6 +542,18 @@ Id EmitYDirection(EmitContext& ctx) {
return ctx.Const(ctx.runtime_info.y_negate ? -1.0f : 1.0f);
}
Id EmitResolutionDownFactor(EmitContext& ctx) {
if (ctx.profile.unified_descriptor_binding) {
const Id pointer_type{ctx.TypePointer(spv::StorageClass::PushConstant, ctx.F32[1])};
const Id index{ctx.Const(ctx.rescaling_downfactor_member_index)};
const Id pointer{ctx.OpAccessChain(pointer_type, ctx.rescaling_push_constants, index)};
return ctx.OpLoad(ctx.F32[1], pointer);
} else {
const Id composite{ctx.OpLoad(ctx.F32[4], ctx.rescaling_uniform_constant)};
return ctx.OpCompositeExtract(ctx.F32[1], composite, 2u);
}
}
Id EmitLoadLocal(EmitContext& ctx, Id word_offset) {
const Id pointer{ctx.OpAccessChain(ctx.private_u32, ctx.local_memory, word_offset)};
return ctx.OpLoad(ctx.U32[1], pointer);

54
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
View File

@@ -224,6 +224,36 @@ Id Emit(MethodPtrType sparse_ptr, MethodPtrType non_sparse_ptr, EmitContext& ctx
Decorate(ctx, inst, sample);
return ctx.OpCompositeExtract(result_type, sample, 1U);
}
Id IsScaled(EmitContext& ctx, const IR::Value& index, Id member_index, u32 base_index) {
const Id push_constant_u32{ctx.TypePointer(spv::StorageClass::PushConstant, ctx.U32[1])};
Id bit{};
if (index.IsImmediate()) {
// Use BitwiseAnd instead of BitfieldExtract for better codegen on Nvidia OpenGL.
// LOP32I.NZ is used to set the predicate rather than BFE+ISETP.
const u32 index_value{index.U32() + base_index};
const Id word_index{ctx.Const(index_value / 32)};
const Id bit_index_mask{ctx.Const(1u << (index_value % 32))};
const Id pointer{ctx.OpAccessChain(push_constant_u32, ctx.rescaling_push_constants,
member_index, word_index)};
const Id word{ctx.OpLoad(ctx.U32[1], pointer)};
bit = ctx.OpBitwiseAnd(ctx.U32[1], word, bit_index_mask);
} else {
Id index_value{ctx.Def(index)};
if (base_index != 0) {
index_value = ctx.OpIAdd(ctx.U32[1], index_value, ctx.Const(base_index));
}
const Id bit_index{ctx.OpBitwiseAnd(ctx.U32[1], index_value, ctx.Const(31u))};
bit = ctx.OpBitFieldUExtract(ctx.U32[1], index_value, bit_index, ctx.Const(1u));
}
return ctx.OpINotEqual(ctx.U1, bit, ctx.u32_zero_value);
}
Id BitTest(EmitContext& ctx, Id mask, Id bit) {
const Id shifted{ctx.OpShiftRightLogical(ctx.U32[1], mask, bit)};
const Id bit_value{ctx.OpBitwiseAnd(ctx.U32[1], shifted, ctx.Const(1u))};
return ctx.OpINotEqual(ctx.U1, bit_value, ctx.u32_zero_value);
}
} // Anonymous namespace
Id EmitBindlessImageSampleImplicitLod(EmitContext&) {
@@ -470,4 +500,28 @@ void EmitImageWrite(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id
ctx.OpImageWrite(Image(ctx, index, info), coords, color);
}
Id EmitIsTextureScaled(EmitContext& ctx, const IR::Value& index) {
if (ctx.profile.unified_descriptor_binding) {
const Id member_index{ctx.Const(ctx.rescaling_textures_member_index)};
return IsScaled(ctx, index, member_index, ctx.texture_rescaling_index);
} else {
const Id composite{ctx.OpLoad(ctx.F32[4], ctx.rescaling_uniform_constant)};
const Id mask_f32{ctx.OpCompositeExtract(ctx.F32[1], composite, 0u)};
const Id mask{ctx.OpBitcast(ctx.U32[1], mask_f32)};
return BitTest(ctx, mask, ctx.Def(index));
}
}
Id EmitIsImageScaled(EmitContext& ctx, const IR::Value& index) {
if (ctx.profile.unified_descriptor_binding) {
const Id member_index{ctx.Const(ctx.rescaling_images_member_index)};
return IsScaled(ctx, index, member_index, ctx.image_rescaling_index);
} else {
const Id composite{ctx.OpLoad(ctx.F32[4], ctx.rescaling_uniform_constant)};
const Id mask_f32{ctx.OpCompositeExtract(ctx.F32[1], composite, 1u)};
const Id mask{ctx.OpBitcast(ctx.U32[1], mask_f32)};
return BitTest(ctx, mask, ctx.Def(index));
}
}
} // namespace Shader::Backend::SPIRV

5
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
View File

@@ -75,6 +75,7 @@ Id EmitInvocationId(EmitContext& ctx);
Id EmitSampleId(EmitContext& ctx);
Id EmitIsHelperInvocation(EmitContext& ctx);
Id EmitYDirection(EmitContext& ctx);
Id EmitResolutionDownFactor(EmitContext& ctx);
Id EmitLoadLocal(EmitContext& ctx, Id word_offset);
void EmitWriteLocal(EmitContext& ctx, Id word_offset, Id value);
Id EmitUndefU1(EmitContext& ctx);
@@ -283,6 +284,8 @@ Id EmitIAdd64(EmitContext& ctx, Id a, Id b);
Id EmitISub32(EmitContext& ctx, Id a, Id b);
Id EmitISub64(EmitContext& ctx, Id a, Id b);
Id EmitIMul32(EmitContext& ctx, Id a, Id b);
Id EmitSDiv32(EmitContext& ctx, Id a, Id b);
Id EmitUDiv32(EmitContext& ctx, Id a, Id b);
Id EmitINeg32(EmitContext& ctx, Id value);
Id EmitINeg64(EmitContext& ctx, Id value);
Id EmitIAbs32(EmitContext& ctx, Id value);
@@ -510,6 +513,8 @@ Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, I
Id derivates, Id offset, Id lod_clamp);
Id EmitImageRead(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords);
void EmitImageWrite(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id color);
Id EmitIsTextureScaled(EmitContext& ctx, const IR::Value& index);
Id EmitIsImageScaled(EmitContext& ctx, const IR::Value& index);
Id EmitBindlessImageAtomicIAdd32(EmitContext&);
Id EmitBindlessImageAtomicSMin32(EmitContext&);
Id EmitBindlessImageAtomicUMin32(EmitContext&);

8
src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
View File

@@ -72,6 +72,14 @@ Id EmitIMul32(EmitContext& ctx, Id a, Id b) {
return ctx.OpIMul(ctx.U32[1], a, b);
}
Id EmitSDiv32(EmitContext& ctx, Id a, Id b) {
return ctx.OpSDiv(ctx.U32[1], a, b);
}
Id EmitUDiv32(EmitContext& ctx, Id a, Id b) {
return ctx.OpUDiv(ctx.U32[1], a, b);
}
Id EmitINeg32(EmitContext& ctx, Id value) {
return ctx.OpSNegate(ctx.U32[1], value);
}

5
src/shader_recompiler/frontend/ir/basic_block.cpp
View File

@@ -22,6 +22,11 @@ void Block::AppendNewInst(Opcode op, std::initializer_list<Value> args) {
PrependNewInst(end(), op, args);
}
Block::iterator Block::PrependNewInst(iterator insertion_point, const Inst& base_inst) {
Inst* const inst{inst_pool->Create(base_inst)};
return instructions.insert(insertion_point, *inst);
}
Block::iterator Block::PrependNewInst(iterator insertion_point, Opcode op,
std::initializer_list<Value> args, u32 flags) {
Inst* const inst{inst_pool->Create(op, flags)};

3
src/shader_recompiler/frontend/ir/basic_block.h
View File

@@ -40,6 +40,9 @@ public:
/// Appends a new instruction to the end of this basic block.
void AppendNewInst(Opcode op, std::initializer_list<Value> args);
/// Prepends a copy of an instruction to this basic block before the insertion point.
iterator PrependNewInst(iterator insertion_point, const Inst& base_inst);
/// Prepends a new instruction to this basic block before the insertion point.
iterator PrependNewInst(iterator insertion_point, Opcode op,
std::initializer_list<Value> args = {}, u32 flags = 0);

16
src/shader_recompiler/frontend/ir/ir_emitter.cpp
View File

@@ -375,6 +375,10 @@ F32 IREmitter::YDirection() {
return Inst<F32>(Opcode::YDirection);
}
F32 IREmitter::ResolutionDownFactor() {
return Inst<F32>(Opcode::ResolutionDownFactor);
}
U32 IREmitter::LaneId() {
return Inst<U32>(Opcode::LaneId);
}
@@ -1141,6 +1145,10 @@ U32 IREmitter::IMul(const U32& a, const U32& b) {
return Inst<U32>(Opcode::IMul32, a, b);
}
U32 IREmitter::IDiv(const U32& a, const U32& b, bool is_signed) {
return Inst<U32>(is_signed ? Opcode::SDiv32 : Opcode::UDiv32, a, b);
}
U32U64 IREmitter::INeg(const U32U64& value) {
switch (value.Type()) {
case Type::U32:
@@ -1938,6 +1946,14 @@ Value IREmitter::ImageAtomicExchange(const Value& handle, const Value& coords, c
return Inst(op, Flags{info}, handle, coords, value);
}
U1 IREmitter::IsTextureScaled(const U32& index) {
return Inst<U1>(Opcode::IsTextureScaled, index);
}
U1 IREmitter::IsImageScaled(const U32& index) {
return Inst<U1>(Opcode::IsImageScaled, index);
}
U1 IREmitter::VoteAll(const U1& value) {
return Inst<U1>(Opcode::VoteAll, value);
}

7
src/shader_recompiler/frontend/ir/ir_emitter.h
View File

@@ -102,6 +102,8 @@ public:
[[nodiscard]] U1 IsHelperInvocation();
[[nodiscard]] F32 YDirection();
[[nodiscard]] F32 ResolutionDownFactor();
[[nodiscard]] U32 LaneId();
[[nodiscard]] U32 LoadGlobalU8(const U64& address);
@@ -207,6 +209,7 @@ public:
[[nodiscard]] U32U64 IAdd(const U32U64& a, const U32U64& b);
[[nodiscard]] U32U64 ISub(const U32U64& a, const U32U64& b);
[[nodiscard]] U32 IMul(const U32& a, const U32& b);
[[nodiscard]] U32 IDiv(const U32& a, const U32& b, bool is_signed = false);
[[nodiscard]] U32U64 INeg(const U32U64& value);
[[nodiscard]] U32 IAbs(const U32& value);
[[nodiscard]] U32U64 ShiftLeftLogical(const U32U64& base, const U32& shift);
@@ -356,6 +359,10 @@ public:
TextureInstInfo info);
[[nodiscard]] Value ImageAtomicExchange(const Value& handle, const Value& coords,
const Value& value, TextureInstInfo info);
[[nodiscard]] U1 IsTextureScaled(const U32& index);
[[nodiscard]] U1 IsImageScaled(const U32& index);
[[nodiscard]] U1 VoteAll(const U1& value);
[[nodiscard]] U1 VoteAny(const U1& value);
[[nodiscard]] U1 VoteEqual(const U1& value);

11
src/shader_recompiler/frontend/ir/microinstruction.cpp
View File

@@ -46,6 +46,17 @@ Inst::Inst(IR::Opcode op_, u32 flags_) noexcept : op{op_}, flags{flags_} {
}
}
Inst::Inst(const Inst& base) : op{base.op}, flags{base.flags} {
if (base.op == Opcode::Phi) {
throw NotImplementedException("Copying phi node");
}
std::construct_at(&args);
const size_t num_args{base.NumArgs()};
for (size_t index = 0; index < num_args; ++index) {
SetArg(index, base.Arg(index));
}
}
Inst::~Inst() {
if (op == Opcode::Phi) {
std::destroy_at(&phi_args);

6
src/shader_recompiler/frontend/ir/opcodes.inc
View File

@@ -62,6 +62,7 @@ OPCODE(InvocationId, U32,
OPCODE(SampleId, U32, )
OPCODE(IsHelperInvocation, U1, )
OPCODE(YDirection, F32, )
OPCODE(ResolutionDownFactor, F32, )
// Undefined
OPCODE(UndefU1, U1, )
@@ -286,6 +287,8 @@ OPCODE(IAdd64, U64, U64,
OPCODE(ISub32, U32, U32, U32, )
OPCODE(ISub64, U64, U64, U64, )
OPCODE(IMul32, U32, U32, U32, )
OPCODE(SDiv32, U32, U32, U32, )
OPCODE(UDiv32, U32, U32, U32, )
OPCODE(INeg32, U32, U32, )
OPCODE(INeg64, U64, U64, )
OPCODE(IAbs32, U32, U32, )
@@ -490,6 +493,9 @@ OPCODE(ImageGradient, F32x4, Opaq
OPCODE(ImageRead, U32x4, Opaque, Opaque, )
OPCODE(ImageWrite, Void, Opaque, Opaque, U32x4, )
OPCODE(IsTextureScaled, U1, U32, )
OPCODE(IsImageScaled, U1, U32, )
// Atomic Image operations
OPCODE(BindlessImageAtomicIAdd32, U32, U32, Opaque, U32, )

2
src/shader_recompiler/frontend/ir/value.h
View File

@@ -116,10 +116,10 @@ public:
class Inst : public boost::intrusive::list_base_hook<> {
public:
explicit Inst(IR::Opcode op_, u32 flags_) noexcept;
explicit Inst(const Inst& base);
~Inst();
Inst& operator=(const Inst&) = delete;
Inst(const Inst&) = delete;
Inst& operator=(Inst&&) = delete;
Inst(Inst&&) = delete;

4
src/shader_recompiler/frontend/maxwell/translate_program.cpp
View File

@@ -177,6 +177,10 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
Optimization::TexturePass(env, program);
Optimization::ConstantPropagationPass(program);
if (Settings::values.resolution_info.active) {
Optimization::RescalingPass(program);
}
Optimization::DeadCodeEliminationPass(program);
if (Settings::values.renderer_debug) {
Optimization::VerificationPass(program);

5
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
View File

@@ -430,6 +430,11 @@ void VisitUsages(Info& info, IR::Inst& inst) {
case IR::Opcode::IsHelperInvocation:
info.uses_is_helper_invocation = true;
break;
case IR::Opcode::ResolutionDownFactor:
case IR::Opcode::IsTextureScaled:
case IR::Opcode::IsImageScaled:
info.uses_rescaling_uniform = true;
break;
case IR::Opcode::LaneId:
info.uses_subgroup_invocation_id = true;
break;

1
src/shader_recompiler/ir_opt/passes.h
View File

@@ -19,6 +19,7 @@ void GlobalMemoryToStorageBufferPass(IR::Program& program);
void IdentityRemovalPass(IR::Program& program);
void LowerFp16ToFp32(IR::Program& program);
void LowerInt64ToInt32(IR::Program& program);
void RescalingPass(IR::Program& program);
void SsaRewritePass(IR::Program& program);
void TexturePass(Environment& env, IR::Program& program);
void VerificationPass(const IR::Program& program);

295
src/shader_recompiler/ir_opt/rescaling_pass.cpp Executable file
View File

@@ -0,0 +1,295 @@
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/alignment.h"
#include "common/settings.h"
#include "shader_recompiler/environment.h"
#include "shader_recompiler/frontend/ir/ir_emitter.h"
#include "shader_recompiler/frontend/ir/modifiers.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/frontend/ir/value.h"
#include "shader_recompiler/ir_opt/passes.h"
#include "shader_recompiler/shader_info.h"
namespace Shader::Optimization {
namespace {
[[nodiscard]] bool IsTextureTypeRescalable(TextureType type) {
switch (type) {
case TextureType::Color2D:
case TextureType::ColorArray2D:
return true;
case TextureType::Color1D:
case TextureType::ColorArray1D:
case TextureType::Color3D:
case TextureType::ColorCube:
case TextureType::ColorArrayCube:
case TextureType::Buffer:
break;
}
return false;
}
void VisitMark(const IR::Inst& inst) {
switch (inst.GetOpcode()) {
case IR::Opcode::ShuffleIndex:
case IR::Opcode::ShuffleUp:
case IR::Opcode::ShuffleDown:
case IR::Opcode::ShuffleButterfly: {
const IR::Value shfl_arg{inst.Arg(0)};
if (shfl_arg.IsImmediate()) {
break;
}
const IR::Inst* const arg_inst{shfl_arg.InstRecursive()};
if (arg_inst->GetOpcode() != IR::Opcode::BitCastU32F32) {
break;
}
const IR::Value bitcast_arg{arg_inst->Arg(0)};
if (bitcast_arg.IsImmediate()) {
break;
}
IR::Inst* const bitcast_inst{bitcast_arg.InstRecursive()};
if (bitcast_inst->GetOpcode() == IR::Opcode::GetAttribute) {
const IR::Attribute attr{bitcast_inst->Arg(0).Attribute()};
switch (attr) {
case IR::Attribute::PositionX:
case IR::Attribute::PositionY:
bitcast_inst->SetFlags<u32>(0xDEADBEEF);
break;
default:
break;
}
}
break;
}
default:
break;
}
}
void PatchFragCoord(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const IR::F32 down_factor{ir.ResolutionDownFactor()};
const IR::F32 frag_coord{ir.GetAttribute(inst.Arg(0).Attribute())};
const IR::F32 downscaled_frag_coord{ir.FPMul(frag_coord, down_factor)};
inst.ReplaceUsesWith(downscaled_frag_coord);
}
[[nodiscard]] IR::U32 Scale(IR::IREmitter& ir, const IR::U1& is_scaled, const IR::U32& value) {
IR::U32 scaled_value{value};
if (const u32 up_scale = Settings::values.resolution_info.up_scale; up_scale != 1) {
scaled_value = ir.IMul(scaled_value, ir.Imm32(up_scale));
}
if (const u32 down_shift = Settings::values.resolution_info.down_shift; down_shift != 0) {
scaled_value = ir.ShiftRightArithmetic(scaled_value, ir.Imm32(down_shift));
}
return IR::U32{ir.Select(is_scaled, scaled_value, value)};
}
[[nodiscard]] IR::U32 SubScale(IR::IREmitter& ir, const IR::U1& is_scaled, const IR::U32& value,
const IR::Attribute attrib) {
const IR::F32 up_factor{ir.Imm32(Settings::values.resolution_info.up_factor)};
const IR::F32 base{ir.FPMul(ir.ConvertUToF(32, 32, value), up_factor)};
const IR::F32 frag_coord{ir.GetAttribute(attrib)};
const IR::F32 down_factor{ir.Imm32(Settings::values.resolution_info.down_factor)};
const IR::F32 floor{ir.FPMul(up_factor, ir.FPFloor(ir.FPMul(frag_coord, down_factor)))};
const IR::F16F32F64 deviation{ir.FPAdd(base, ir.FPAdd(frag_coord, ir.FPNeg(floor)))};
return IR::U32{ir.Select(is_scaled, ir.ConvertFToU(32, deviation), value)};
}
[[nodiscard]] IR::U32 DownScale(IR::IREmitter& ir, const IR::U1& is_scaled, const IR::U32& value) {
IR::U32 scaled_value{value};
if (const u32 down_shift = Settings::values.resolution_info.down_shift; down_shift != 0) {
scaled_value = ir.ShiftLeftLogical(scaled_value, ir.Imm32(down_shift));
}
if (const u32 up_scale = Settings::values.resolution_info.up_scale; up_scale != 1) {
scaled_value = ir.IDiv(scaled_value, ir.Imm32(up_scale));
}
return IR::U32{ir.Select(is_scaled, scaled_value, value)};
}
void PatchImageQueryDimensions(IR::Block& block, IR::Inst& inst) {
const auto it{IR::Block::InstructionList::s_iterator_to(inst)};
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
switch (info.type) {
case TextureType::Color2D:
case TextureType::ColorArray2D: {
const IR::Value new_inst{&*block.PrependNewInst(it, inst)};
const IR::U32 width{DownScale(ir, is_scaled, IR::U32{ir.CompositeExtract(new_inst, 0)})};
const IR::U32 height{DownScale(ir, is_scaled, IR::U32{ir.CompositeExtract(new_inst, 1)})};
const IR::Value replacement{ir.CompositeConstruct(
width, height, ir.CompositeExtract(new_inst, 2), ir.CompositeExtract(new_inst, 3))};
inst.ReplaceUsesWith(replacement);
break;
}
case TextureType::Color1D:
case TextureType::ColorArray1D:
case TextureType::Color3D:
case TextureType::ColorCube:
case TextureType::ColorArrayCube:
case TextureType::Buffer:
// Nothing to patch here
break;
}
}
void ScaleIntegerComposite(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled,
size_t index) {
const IR::Value composite{inst.Arg(index)};
if (composite.IsEmpty()) {
return;
}
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::U32 x{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(composite, 0)})};
const IR::U32 y{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(composite, 1)})};
switch (info.type) {
case TextureType::Color2D:
inst.SetArg(index, ir.CompositeConstruct(x, y));
break;
case TextureType::ColorArray2D: {
const IR::U32 z{ir.CompositeExtract(composite, 2)};
inst.SetArg(index, ir.CompositeConstruct(x, y, z));
break;
}
case TextureType::Color1D:
case TextureType::ColorArray1D:
case TextureType::Color3D:
case TextureType::ColorCube:
case TextureType::ColorArrayCube:
case TextureType::Buffer:
// Nothing to patch here
break;
}
}
void SubScaleCoord(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled) {
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::Value coord{inst.Arg(1)};
const IR::U32 coord_x{ir.CompositeExtract(coord, 0)};
const IR::U32 coord_y{ir.CompositeExtract(coord, 1)};
const IR::U32 scaled_x{SubScale(ir, is_scaled, coord_x, IR::Attribute::PositionX)};
const IR::U32 scaled_y{SubScale(ir, is_scaled, coord_y, IR::Attribute::PositionY)};
switch (info.type) {
case TextureType::Color2D:
inst.SetArg(1, ir.CompositeConstruct(scaled_x, scaled_y));
break;
case TextureType::ColorArray2D: {
const IR::U32 z{ir.CompositeExtract(coord, 2)};
inst.SetArg(1, ir.CompositeConstruct(scaled_x, scaled_y, z));
break;
}
case TextureType::Color1D:
case TextureType::ColorArray1D:
case TextureType::Color3D:
case TextureType::ColorCube:
case TextureType::ColorArrayCube:
case TextureType::Buffer:
// Nothing to patch here
break;
}
}
void SubScaleImageFetch(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
if (!IsTextureTypeRescalable(info.type)) {
return;
}
const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
SubScaleCoord(ir, inst, is_scaled);
// Scale ImageFetch offset
ScaleIntegerComposite(ir, inst, is_scaled, 2);
}
void SubScaleImageRead(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
if (!IsTextureTypeRescalable(info.type)) {
return;
}
const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
SubScaleCoord(ir, inst, is_scaled);
}
void PatchImageFetch(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
if (!IsTextureTypeRescalable(info.type)) {
return;
}
const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
ScaleIntegerComposite(ir, inst, is_scaled, 1);
// Scale ImageFetch offset
ScaleIntegerComposite(ir, inst, is_scaled, 2);
}
void PatchImageRead(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
if (!IsTextureTypeRescalable(info.type)) {
return;
}
const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
ScaleIntegerComposite(ir, inst, is_scaled, 1);
}
void Visit(const IR::Program& program, IR::Block& block, IR::Inst& inst) {
const bool is_fragment_shader{program.stage == Stage::Fragment};
switch (inst.GetOpcode()) {
case IR::Opcode::GetAttribute: {
const IR::Attribute attr{inst.Arg(0).Attribute()};
switch (attr) {
case IR::Attribute::PositionX:
case IR::Attribute::PositionY:
if (is_fragment_shader && inst.Flags<u32>() != 0xDEADBEEF) {
PatchFragCoord(block, inst);
}
break;
default:
break;
}
break;
}
case IR::Opcode::ImageQueryDimensions:
PatchImageQueryDimensions(block, inst);
break;
case IR::Opcode::ImageFetch:
if (is_fragment_shader) {
SubScaleImageFetch(block, inst);
} else {
PatchImageFetch(block, inst);
}
break;
case IR::Opcode::ImageRead:
if (is_fragment_shader) {
SubScaleImageRead(block, inst);
} else {
PatchImageRead(block, inst);
}
break;
default:
break;
}
}
} // Anonymous namespace
void RescalingPass(IR::Program& program) {
const bool is_fragment_shader{program.stage == Stage::Fragment};
if (is_fragment_shader) {
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
VisitMark(inst);
}
}
}
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
Visit(program, *block, inst);
}
}
}
} // namespace Shader::Optimization

10
src/shader_recompiler/shader_info.h
View File

@@ -172,6 +172,7 @@ struct Info {
bool uses_global_memory{};
bool uses_atomic_image_u32{};
bool uses_shadow_lod{};
bool uses_rescaling_uniform{};
IR::Type used_constant_buffer_types{};
IR::Type used_storage_buffer_types{};
@@ -190,4 +191,13 @@ struct Info {
ImageDescriptors image_descriptors;
};
template <typename Descriptors>
u32 NumDescriptors(const Descriptors& descriptors) {
u32 num{};
for (const auto& desc : descriptors) {
num += desc.count;
}
return num;
}
} // namespace Shader